Answer:
b is apparently the right one XD
Step-by-step explanation:You said is was
If you would like to calculate 0.4 * x - 0.8 - 3 * x + 0.5 * x - 1.2, you can do this using the following steps:
0.4 * x - 0.8 - 3 * x + 0.5 * x - 1.2 = (0.4 * x - 3 * x + 0.5 * x) - 0.8 - 1.2 = - 2.1 * x - 2
The correct result would be - 2.1 * x - 2.
Students who study history: 132
Number of students from Washington who study history: 20
The probability of Washington given history is 20/132. In simplest form, the probability is 5/33